EP4014485A4 - TWO-PART SIGNALING OF ADAPTIVE LOOP FILTERS IN VIDEO CODING - Google Patents

TWO-PART SIGNALING OF ADAPTIVE LOOP FILTERS IN VIDEO CODING Download PDF

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Publication number
EP4014485A4
EP4014485A4 EP20866732.9A EP20866732A EP4014485A4 EP 4014485 A4 EP4014485 A4 EP 4014485A4 EP 20866732 A EP20866732 A EP 20866732A EP 4014485 A4 EP4014485 A4 EP 4014485A4
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EP
European Patent Office
Prior art keywords
video coding
adaptive loop
loop filters
part signaling
signaling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20866732.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4014485A1 (en
Inventor
Li Zhang
Hongbin Liu
Kai Zhang
Yue Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing ByteDance Network Technology Co Ltd
ByteDance Inc
Original Assignee
Beijing ByteDance Network Technology Co Ltd
ByteDance Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing ByteDance Network Technology Co Ltd, ByteDance Inc filed Critical Beijing ByteDance Network Technology Co Ltd
Publication of EP4014485A1 publication Critical patent/EP4014485A1/en
Publication of EP4014485A4 publication Critical patent/EP4014485A4/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20866732.9A 2019-09-18 2020-09-18 TWO-PART SIGNALING OF ADAPTIVE LOOP FILTERS IN VIDEO CODING Pending EP4014485A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2019106420 2019-09-18
PCT/CN2020/116086 WO2021052453A1 (en) 2019-09-18 2020-09-18 Two-part signaling of adaptive loop filters in video coding

Publications (2)

Publication Number Publication Date
EP4014485A1 EP4014485A1 (en) 2022-06-22
EP4014485A4 true EP4014485A4 (en) 2022-10-26

Family

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Family Applications (1)

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EP20866732.9A Pending EP4014485A4 (en) 2019-09-18 2020-09-18 TWO-PART SIGNALING OF ADAPTIVE LOOP FILTERS IN VIDEO CODING

Country Status (7)

Country Link
US (3) US11683531B2 (zh)
EP (1) EP4014485A4 (zh)
JP (2) JP7323711B2 (zh)
KR (1) KR20220058899A (zh)
CN (3) CN114424529A (zh)
BR (1) BR112022005046A2 (zh)
WO (2) WO2021052453A1 (zh)

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CN117256139A (zh) * 2021-04-12 2023-12-19 抖音视界有限公司 视频编解码中的导向滤波器

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Also Published As

Publication number Publication date
CN114424529A (zh) 2022-04-29
JP7323711B2 (ja) 2023-08-08
WO2021052453A1 (en) 2021-03-25
US11683531B2 (en) 2023-06-20
JP2022548296A (ja) 2022-11-17
BR112022005046A2 (pt) 2022-07-05
US20220210478A1 (en) 2022-06-30
WO2021052452A1 (en) 2021-03-25
US20230336788A1 (en) 2023-10-19
CN114424540A (zh) 2022-04-29
US11601686B2 (en) 2023-03-07
US20220217340A1 (en) 2022-07-07
KR20220058899A (ko) 2022-05-10
CN114424540B (zh) 2023-12-29
EP4014485A1 (en) 2022-06-22
CN117294847A (zh) 2023-12-26
JP2023153166A (ja) 2023-10-17

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